26o HIPPOPOTAMUS-LIKE FORMS separate American genera towards the European horned genera A genus sometimes united with AceratJieriutn, but still differin; from it in some points, is Aphelops (Teleoceras)}- This animal i more nearly approximated to " the modern standard" of Hhino ceroses than, is its possible ancestor A.ceratherium. The skeleton in general is more robust, even surpassing that of modern forms and appoaching the Hippopotamus. There is a reduction in the ineisoxB, which are limited to two pairs, and the lower molars . jLmer. Mus. JKTat. m&t. x. 1898, p. 61.